";
function generate_cookie($scores)
{
$r = array();
foreach ($scores as $which => $score)
$r[] = "$which:$score";
setcookie("ttt_cookie", join($r, "/"), time() + 24*60*60);
}
/*
* Given a nine-character string representing the state of the game...
* Return "X" or "O" if either has won
* Return "T" if all cells filled but tie
* Return false otherwise
*
* The string "X...O...X" represents an "X" in the upper left, an "O" in the
* middle, and an "X" in the lower right.
*/
function check_win($state)
{
foreach (explode(".", "036.147.258.012.345.678.048.246") as $win) {
$first = $state[(int)$win[0]];
$second = $state[(int)$win[1]];
$third = $state[(int)$win[2]];
if ($first !== "." && $first == $second && $second == $third) {
return $first;
}
}
if (unplayed($state) == 0)
return "T";
return false;
}
/*
* Return the number of unplayed cells. count_chars is overkill for this but fun to use!
*/
function unplayed($state)
{
$counts = count_chars($state,0);
$rval = $counts[ord(".")];
return $rval;
}
function show_stats($scores)
{
?>
wins for X, wins for O, ties